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      1 ; Test the Test Data Class instruction logic operation conversion from
      2 ; compares.
      3 ;
      4 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
      5 
      6 declare float @llvm.fabs.f32(float)
      7 declare double @llvm.fabs.f64(double)
      8 declare fp128 @llvm.fabs.f128(fp128)
      9 
     10 ; Compare with 0 (unworthy)
     11 define i32 @f1(float %x) {
     12 ; CHECK-LABEL: f1
     13 ; CHECK-NOT: tceb
     14 ; CHECK: ltebr {{%f[0-9]+}}, %f0
     15 ; CHECK-NOT: tceb
     16   %res = fcmp ugt float %x, 0.0
     17   %xres = zext i1 %res to i32
     18   ret i32 %xres
     19 }
     20 
     21 ; Compare fabs with 0 (unworthy)
     22 define i32 @f2(float %x) {
     23 ; CHECK-LABEL: f2
     24 ; CHECK-NOT: tceb
     25 ; CHECK: lpebr {{%f[0-9]+}}, %f0
     26 ; CHECK-NOT: tceb
     27   %y = call float @llvm.fabs.f32(float %x)
     28   %res = fcmp ugt float %y, 0.0
     29   %xres = zext i1 %res to i32
     30   ret i32 %xres
     31 }
     32 
     33 ; Compare with inf (unworthy)
     34 define i32 @f3(float %x) {
     35 ; CHECK-LABEL: f3
     36 ; CHECK-NOT: tceb
     37 ; CHECK: ceb %f0, 0(%r{{[0-9]+}})
     38 ; CHECK-NOT: tceb
     39   %res = fcmp ult float %x, 0x7ff0000000000000
     40   %xres = zext i1 %res to i32
     41   ret i32 %xres
     42 }
     43 
     44 ; Compare fabs with inf
     45 define i32 @f4(float %x) {
     46 ; CHECK-LABEL: f4
     47 ; CHECK: tceb %f0, 4047
     48   %y = call float @llvm.fabs.f32(float %x)
     49   %res = fcmp ult float %y, 0x7ff0000000000000
     50   %xres = zext i1 %res to i32
     51   ret i32 %xres
     52 }
     53 
     54 ; Compare with minnorm (unworthy)
     55 define i32 @f5(float %x) {
     56 ; CHECK-LABEL: f5
     57 ; CHECK-NOT: tceb
     58 ; CHECK: ceb %f0, 0(%r{{[0-9]+}})
     59 ; CHECK-NOT: tceb
     60   %res = fcmp ult float %x, 0x3810000000000000
     61   %xres = zext i1 %res to i32
     62   ret i32 %xres
     63 }
     64 
     65 ; Compare fabs with minnorm
     66 define i32 @f6(float %x) {
     67 ; CHECK-LABEL: f6
     68 ; CHECK: tceb %f0, 3279
     69   %y = call float @llvm.fabs.f32(float %x)
     70   %res = fcmp ult float %y, 0x3810000000000000
     71   %xres = zext i1 %res to i32
     72   ret i32 %xres
     73 }
     74 
     75 ; Compare fabs with minnorm, unsupported condition
     76 define i32 @f7(float %x) {
     77 ; CHECK-LABEL: f7
     78 ; CHECK-NOT: tceb
     79 ; CHECK: lpdfr [[REG:%f[0-9]+]], %f0
     80 ; CHECK: ceb [[REG]], 0(%r{{[0-9]+}})
     81 ; CHECK-NOT: tceb
     82   %y = call float @llvm.fabs.f32(float %x)
     83   %res = fcmp ugt float %y, 0x3810000000000000
     84   %xres = zext i1 %res to i32
     85   ret i32 %xres
     86 }
     87 
     88 ; Compare fabs with unsupported constant
     89 define i32 @f8(float %x) {
     90 ; CHECK-LABEL: f8
     91 ; CHECK-NOT: tceb
     92 ; CHECK: lpdfr [[REG:%f[0-9]+]], %f0
     93 ; CHECK: ceb [[REG]], 0(%r{{[0-9]+}})
     94 ; CHECK-NOT: tceb
     95   %y = call float @llvm.fabs.f32(float %x)
     96   %res = fcmp ult float %y, 0x3ff0000000000000
     97   %xres = zext i1 %res to i32
     98   ret i32 %xres
     99 }
    100 
    101 ; Compare fabs with minnorm - double
    102 define i32 @f9(double %x) {
    103 ; CHECK-LABEL: f9
    104 ; CHECK: tcdb %f0, 3279
    105   %y = call double @llvm.fabs.f64(double %x)
    106   %res = fcmp ult double %y, 0x0010000000000000
    107   %xres = zext i1 %res to i32
    108   ret i32 %xres
    109 }
    110 
    111 ; Compare fabs with minnorm - long double
    112 define i32 @f10(fp128 %x) {
    113 ; CHECK-LABEL: f10
    114 ; CHECK: tcxb %f0, 3279
    115   %y = call fp128 @llvm.fabs.f128(fp128 %x)
    116   %res = fcmp ult fp128 %y, 0xL00000000000000000001000000000000
    117   %xres = zext i1 %res to i32
    118   ret i32 %xres
    119 }
    120 
    121 ; Compare fabs for one with inf - clang's isfinite
    122 define i32 @f11(double %x) {
    123 ; CHECK-LABEL: f11
    124 ; CHECK: tcdb %f0, 4032
    125   %y = call double @llvm.fabs.f64(double %x)
    126   %res = fcmp one double %y, 0x7ff0000000000000
    127   %xres = zext i1 %res to i32
    128   ret i32 %xres
    129 }
    130 
    131 ; Compare fabs for oeq with inf - clang's isinf
    132 define i32 @f12(double %x) {
    133 ; CHECK-LABEL: f12
    134 ; CHECK: tcdb %f0, 48
    135   %y = call double @llvm.fabs.f64(double %x)
    136   %res = fcmp oeq double %y, 0x7ff0000000000000
    137   %xres = zext i1 %res to i32
    138   ret i32 %xres
    139 }
    140